A side door lock transmission mechanism capable of realizing electric opening, self-priming and ice-breaking functions

By introducing components such as self-priming rocker arms, ratchets and electric unlocking transmission plates into the side door lock transmission mechanism, the problem of autonomous unlocking and ice breaking when the car door is frozen is solved, the structure is simplified, the cost is reduced, and the level of intelligence is improved.

CN115030611BActive Publication Date: 2025-10-03WUXI YILAIQI AUTOMOTIVE TECH CO LTD
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Patent Information

Application Number
CN202210805006.0
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-07-08
Publication Date
2025-10-03
Estimated Expiration
2042-07-08

AI Technical Summary

Technical Problem

When the vehicle door is frozen, the ratchet wheel of the existing side door lock transmission mechanism cannot return to its original position naturally, which is inconvenient to use, has a complex structure, and has a high system cost.

Method used

A new side door lock transmission mechanism is designed, which includes components such as a self-priming rocker arm, a ratchet, a tooth plate and an electric unlocking transmission plate. Through the cooperation of the electric unlocking transmission plate and the self-priming pull rod, the electric opening, self-priming and ice-breaking functions are realized, simplifying the structure and reducing costs.

Benefits of technology

It realizes the functions of autonomous unlocking and ice-breaking when the car door is frozen, simplifies the structure, reduces system cost, and improves the intelligence level of car door control.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present invention discloses a new side door lock transmission mechanism capable of electrically opening, self-priming, and ice-breaking functions. The mechanism comprises a self-priming rocker arm, a self-priming pull rod, and an electrically unlocking transmission plate. A ratchet rivet shaft is fixedly mounted on the inner end of the self-priming rocker arm, a ratchet body is fixedly mounted on the outer end of the ratchet shaft, and a toothed plate body is disposed on the outer end of the ratchet shaft. The upper ends of the self-priming rocker arm, ratchet body, and toothed plate body are riveted to a cover plate via the ratchet rivet shaft, while the lower ends of the self-priming rocker arm, ratchet body, and toothed plate body are riveted to a base plate via the ratchet rivet shaft. A self-priming rocker arm limit shaft is disposed on the inner end of the self-priming rocker arm. This new side door lock transmission mechanism capable of electrically opening, self-priming, and ice-breaking functions has a simple and reliable structure and adds an ice-breaking function. This significantly reduces the cost of existing side door systems and enables more intelligent door control.
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Description

Technical Field

[0001] The present invention relates to the technical field related to side door lock transmission, and specifically to a novel side door lock transmission mechanism capable of realizing electric opening, self-priming and ice-breaking functions. Background Art

[0002] Cars are a means of transportation that people often use in their daily lives. As cars become increasingly intelligent and electronic, they are more comfortable and convenient to use, and the user experience is greatly enhanced. The security of electronic information technology is constantly improving. Electronically controlled door opening is a new type of car door lock with a simple and compact mechanical structure and good development prospects.

[0003] However, the existing side door lock transmission mechanism cannot return to its original position naturally if the car door is frozen, which makes it inconvenient to use, has a complex structure, and has a high system cost. Therefore, we propose a new side door lock transmission mechanism that can realize electric opening, self-priming and ice-breaking functions to solve the above problems. Summary of the Invention

[0004] To solve the problems raised in the above background technology, the present invention provides a new side door lock transmission mechanism that can realize electric opening, self-priming and ice-breaking functions. It has a simple and reliable structure and adds an ice-breaking function, which can greatly reduce the cost of existing side door systems and make vehicle door control more intelligent.

[0005] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a novel side door lock transmission mechanism capable of realizing electric opening, self-priming and ice-breaking functions, comprising: a self-priming rocker arm body, the inner end of the self-priming rocker arm body being fixedly mounted with a ratchet rivet shaft, the outer end of the ratchet rivet shaft being fixedly mounted with a ratchet body, and the outer end of the ratchet rivet shaft being provided with a toothed plate body, the upper ends of the self-priming rocker arm body, the ratchet body and the toothed plate body being riveted with a cover plate via the ratchet rivet shaft, the lower ends of the self-priming rocker arm body, the ratchet body and the toothed plate body being riveted with a bottom plate via the ratchet rivet shaft, the inner end of the self-priming rocker arm body being provided with a self-priming rocker arm limiting shaft, and the self-priming pull rod rivet shaft being riveted onto the self-priming rocker arm body;

[0006] A self-priming pull rod body, the outer end of the self-priming pull rod rivet shaft is fixedly installed with the self-priming pull rod body, the self-priming pull rod body is riveted to the self-priming rocker arm body through the self-priming pull rod rivet shaft, a self-priming pull rod spring is fixedly installed on the self-priming pull rod rivet shaft, and the inner end of the self-priming rocker arm body is provided with a ratchet body, the outer end of the self-priming rocker arm body is riveted with a lock body through the ratchet body, the inner end of the lock body is provided with a pawl rivet shaft, the lock body is fixed between the base plate and the cover plate through the pawl rivet shaft and the ratchet rivet shaft, the upper end of the lock body is rotatably installed with a clutch arm body, and the outer end of the clutch arm body is provided with a clutch arm spring;

[0007] The electric unlocking transmission plate body, the upper end of the cover plate is fixedly installed with an electric unlocking transmission plate rivet shaft, the outer end of the electric unlocking transmission plate rivet shaft is rotatably installed with the electric unlocking transmission plate body, the outer end of the electric unlocking transmission plate body is provided with an unlocking linkage body, and the outer end of the electric unlocking transmission plate body is provided with an emergency unlocking rocker arm, the outer end of the electric unlocking transmission plate body is fixedly installed with a roller rivet shaft, and the outer end of the roller rivet shaft is rotatably installed with a roller body.

[0008] The above technical solution has a simple and reliable structure and adds an ice-breaking function, which can greatly reduce the cost of the existing side door system and make the door control more intelligent.

[0009] As a preferred technical solution of the present invention, the left end of the electric unlocking transmission plate body is provided with an electric unlocking transmission plate unlocking bend, and the inner end of the unlocking linkage body is provided with an unlocking linkage slot.

[0010] By adopting the above technical solution, since the left end of the electric unlocking transmission plate body is provided with an electric unlocking transmission plate unlocking bend, the unlocking bent surface on the electric unlocking transmission plate body pushes the unlocking linkage body to rotate clockwise.

[0011] As a preferred technical solution of the present invention, the right end of the self-priming pull rod body is provided with a self-priming pull rod self-priming arc surface, and the inner end of the self-priming pull rod body is provided with a self-priming pull rod ice-breaking arc surface.

[0012] By adopting the above technical solution, since the right end of the self-priming pull rod body is provided with a self-priming pull rod self-priming arc surface, the inner end of the self-priming pull rod body is provided with a self-priming pull rod ice-breaking arc surface, it is convenient to complete the self-priming ice-breaking task.

[0013] As a preferred technical solution of the present invention, the outer end of the pawl rivet shaft is riveted with a pawl body, and the inner end of the pawl body is provided with a pawl protrusion.

[0014] By adopting the above technical solution, since the outer end of the pawl rivet shaft is riveted with the pawl body, the unlocking linkage body can drive the pawl body to rotate clockwise to disengage from the ratchet full-lock engagement surface.

[0015] As a preferred technical solution of the present invention, the outer end of the ratchet body is provided with a ratchet self-priming arc surface, the outer end of the ratchet body is provided with a ratchet ice-breaking arc surface, the right end of the ratchet body is provided with a ratchet full-locking meshing surface, and the upper end of the ratchet body is provided with a ratchet half-locking meshing surface.

[0016] By adopting the above technical solution, since the outer end of the ratchet body is provided with a ratchet self-priming arc surface, the outer end of the ratchet body is provided with a ratchet ice-breaking arc surface, the right end of the ratchet body is provided with a ratchet full-locking engagement surface, and the upper end of the ratchet body is provided with a ratchet half-locking engagement surface, the pawl body is clamped on the half-locking arc surface of the ratchet body.

[0017] As a preferred technical solution of the present invention, a transmission gear is installed between the base plate and the cover plate, the outer end of the transmission gear is meshed and connected with a tooth plate body, the outer end of the tooth plate body is provided with a tooth plate unlocking inclined surface, and the inner end of the tooth plate body is provided with a tooth plate arc groove.

[0018] By adopting the above technical solution, since a transmission gear is installed between the base plate and the cover plate, the outer end of the transmission gear is meshedly connected with the toothed plate body, and the door lock actuator can drive the transmission gear to rotate through the transmission gear.

[0019] Compared with the prior art, the present invention has the following beneficial effects:

[0020] 1. It is equipped with a pawl body, a transmission gear, a self-priming rocker arm, a ratchet full-locking meshing surface and a pawl body. When the car door is half-locked, the pawl body clamps the half-locking arc surface of the ratchet body, the transmission gear rotates, and the self-priming rocker arm limit shaft drives the self-priming rocker arm to rotate counterclockwise. The self-priming rocker arm and the self-priming pull rod spring can drive the self-priming pull rod to be clamped into the ratchet groove. The ratchet body rotates, and the ratchet full-locking meshing surface meshes with the pawl body, so that the door lock reaches the fully locked position;

[0021] 2. A gear plate arc groove, a transmission gear, a gear plate body and a self-priming rocker arm body are provided. If the car door is frozen, the transmission gear drives the gear plate body to continue rotating, and the self-priming rocker arm body is pushed to rotate clockwise through the gear plate arc groove and the self-priming rocker arm limit shaft, driving the self-priming push rod and pushing the ice-breaking arc surface on the ratchet body to push the ratchet body to rotate clockwise in the unlocking direction, completing the ice-breaking action. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0023] Figure 1 This is a schematic diagram of the cross-sectional structure of the present invention from above;

[0024] Figure 2 It is a schematic diagram of the overall structure of the present invention;

[0025] Figure 3 This is a schematic diagram of the tooth plate arc groove structure of the present invention;

[0026] Figure 4 This is a schematic diagram of the rotation structure of the tooth plate body of the present invention;

[0027] Figure 5 This is a schematic diagram of the full lock structure of the present invention;

[0028] Figure 6 This is a schematic diagram of the tooth plate body return structure of the present invention;

[0029] Figure 7 This is a schematic diagram of the structure of the pawl body of the present invention;

[0030] Figure 8 It is a schematic diagram of the ice-breaking structure of the present invention.

[0031] Figure: 1, bottom plate; 2, cover plate; 3, lock body; 4, self-priming rocker arm body; 5, self-priming pull rod rivet shaft; 6, self-priming pull rod spring; 7, self-priming rocker arm limit shaft; 8, self-priming pull rod body; 9, clutch arm body; 10, clutch arm spring; 11, emergency unlocking rocker arm; 12, electric unlocking transmission plate body; 13, unlocking linkage body; 14, tooth plate body; 15, transmission gear; 16, ratchet body; 17, pawl body; 18, pawl rivet shaft; 19, electric unlocking transmission Plate rivet shaft; 20, roller body; 21, roller rivet shaft; 22, ratchet rivet shaft; 801, self-priming arc surface of self-priming pull rod; 802, self-priming arc surface of ice-breaking pull rod; 1601, self-priming arc surface of ratchet; 1602, ice-breaking arc surface of ratchet; 1603, full-lock meshing surface of ratchet; 1604, half-lock meshing surface of ratchet; 1301, unlocking linkage slot; 1701, pawl boss; 1201, unlocking bend of electric unlocking transmission plate; 1401, tooth plate unlocking inclined surface; 1402, tooth plate arc groove. DETAILED DESCRIPTION

[0032] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0033] See also Figure 1-8 The present invention provides the following technical solutions: a new side door lock transmission mechanism capable of realizing electric opening, self-priming and ice-breaking functions, comprising a bottom plate 1, a cover plate 2, a lock body 3, a self-priming rocker arm body 4, a self-priming pull rod rivet shaft 5, a self-priming pull rod spring 6, a self-priming rocker arm limit shaft 7, a self-priming pull rod body 8, a clutch arm body 9, a clutch arm spring 10, an emergency unlocking rocker arm 11, an electric unlocking transmission plate body 12, an unlocking linkage body 13, a tooth plate body 14, a transmission gear 15, a ratchet body 16, a pawl body 17, The pawl rivet shaft 18, the electric unlocking transmission plate rivet shaft 19, the roller body 20, the roller rivet shaft 21, the ratchet rivet shaft 22, the self-priming pull rod self-priming arc surface 801, the self-priming pull rod ice-breaking arc surface 802, the ratchet self-priming arc surface 1601, the ratchet ice-breaking arc surface 1602, the ratchet full-lock engagement surface 1603, the ratchet half-lock engagement surface 1604, the unlocking linkage slot 1301, the pawl protrusion 1701, the electric unlocking transmission plate unlocking bend 1201, the tooth plate unlocking inclined surface 1401 and the tooth plate arc groove 1402, as shown in FIG. Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 、 Figure 6 、 Figure 7 and Figure 8 As shown, when the new side door lock transmission mechanism capable of realizing electric opening, self-priming and ice-breaking functions is used, the lock body 3 is fixed between the base plate 1 and the cover plate 2 by the ratchet rivet shaft 22 and the pawl rivet shaft 18. The ratchet body 16, the self-priming rocker arm body 4 and the tooth plate body 14 are riveted between the base plate 1 and the cover plate 2 by the ratchet rivet shaft 22 and can rotate around the ratchet rivet shaft 22. The pawl body 17, the unlocking linkage body 13 and the emergency unlocking rocker arm 11 are riveted between the base plate 1 and the cover plate 2 by the pawl rivet shaft 18 and can rotate freely around the pawl rivet shaft 18.

[0034] The lock body 3 is riveted to the self-priming rocker arm body 4 through the ratchet body 16, and the self-priming rocker arm limit shaft 7 is fixed thereon. The self-priming pull rod body 8 is riveted to the self-priming rocker arm body 4 through the self-priming pull rod rivet shaft 5, and can rotate around the self-priming rocker arm body 4. A self-priming pull rod spring 6 is fixed on the self-priming pull rod rivet shaft 5, so that the self-priming pull rod body 8 always remains as Figure 1 Clockwise torque;

[0035] The clutch arm body 9 and the clutch arm spring 10 are installed on the lock body 3 through a boss on the lock body 3, and can rotate around the boss of the lock body 3. The electric unlocking transmission plate body 12 is riveted to the cover plate 2 through the electric unlocking transmission plate rivet shaft 19, and can rotate freely around the cover plate 2. One end of the electric unlocking transmission plate body 12 is riveted to the roller body 20 through the roller rivet shaft 21. The left end of the electric unlocking transmission plate body 12 is provided with an electric unlocking transmission plate unlocking bend 1201. The transmission gear 15 is installed between the cover plate 2 and the base plate 1 and can rotate freely. The door lock actuator can drive the transmission gear 15 to rotate through the transmission gear 15, and the transmission gear 15 can drive the tooth plate body 14 to rotate through gear transmission.

[0036] The self-priming movement process is as follows: when the door is half-locked, the inner end of the pawl body 17 is provided with a pawl protrusion 1701, and the pawl body 17 is stuck on the half-locked arc surface of the ratchet body 16, as shown in FIG. Figure 4 As shown, the actuator drives the transmission gear 15 to rotate, and drives the toothed plate body 14 as shown in FIG. Figure 4As shown, it rotates counterclockwise, and the tooth plate body 14 drives the self-priming rocker arm limiting shaft 7 to drive the self-priming rocker arm body 4 to rotate counterclockwise through the tooth plate arc groove 1402, and the self-priming rocker arm body 4 pulls the self-priming pull rod body 8 to move left, and the right end of the self-priming pull rod body 8 is provided with a self-priming pull rod self-priming arc surface 801, and the inner end of the self-priming pull rod body 8 is provided with a self-priming pull rod ice-breaking arc surface 802, the upper end of the ratchet body 16 is provided with a ratchet semi-locking meshing surface 1604, and the outer end of the ratchet body 16 is provided with a ratchet ice-breaking arc surface 1602, the self-priming pull rod spring 6 can drive the self-priming pull rod body 8 to be stuck in the ratchet groove, and drive the ratchet body 16 to rotate counterclockwise by pulling the ratchet self-priming arc surface 1601 until the ratchet full-locking meshing surface 1603 meshes with the pawl body 17, so that the door lock reaches the fully locked position, as shown in FIG. Figure 5 As shown, the actuator then drives the toothed plate body 14 back to its original position through the transmission gear 15, as shown in FIG. Figure 6 As shown;

[0037] The electric opening and ice-breaking movement process is as follows: after the actuator self-primes and returns to its position, after the door lock receives the unlocking signal, the actuator drives the tooth plate body 14 to continue to move clockwise through the transmission gear 15. The outer end of the tooth plate body 14 is provided with a tooth plate unlocking inclined surface 1401. The unlocking inclined surface on the tooth plate body 14 pushes the electric unlocking transmission plate body 12 to rotate clockwise. The unlocking bent surface on the electric unlocking transmission plate body 12 pushes the unlocking linkage body 13 to rotate clockwise. The inner end of the unlocking linkage body 13 is provided with an unlocking linkage slot 1301. The unlocking linkage body 13 drives the pawl body 17 to rotate clockwise to disengage from the ratchet full-locking meshing surface 1603. Figure 7 As shown, if the car door is frozen, the ratchet body 16 cannot return to its original position naturally. At this time, the ice-breaking process is started, and the transmission gear 15 drives the tooth plate body 14 to continue to rotate clockwise, and the self-priming rocker arm body 4 is pushed to rotate clockwise through the tooth plate arc groove 1402 and the self-priming rocker arm limit shaft 7, driving the self-priming push rod and pushing the ice-breaking arc surface on the ratchet body 16 to push the ratchet body 16 to rotate clockwise toward the unlocking direction, as shown in FIG. Figure 8 As shown, the ice breaking action is completed, and finally the actuator drives the tooth plate body 14 back to its original position, as shown in FIG. Figure 1 shown.

[0038] Finally, it should be noted that the above are merely preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or substitute equivalents for some of the technical features therein. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A side door lock transmission mechanism capable of realizing electric opening, self-priming and ice-breaking functions, characterized by: include: A self-priming rocker arm body (4), wherein the inner end of the self-priming rocker arm body (4) is fixedly mounted with a ratchet rivet shaft, the outer end of the ratchet rivet shaft is fixedly mounted with a ratchet body (16), and the outer end of the ratchet rivet shaft is provided with a toothed plate body (14), the upper ends of the self-priming rocker arm body (4), the ratchet body (16) and the toothed plate body (14) are riveted with a cover plate (2) through the ratchet rivet shaft, the lower ends of the self-priming rocker arm body (4), the ratchet body (16) and the toothed plate body (14) are riveted with a bottom plate (1) through the ratchet rivet shaft, the inner end of the self-priming rocker arm body (4) is provided with a self-priming rocker arm limiting shaft (7), and a self-priming pull rod rivet shaft (5) is riveted on the self-priming rocker arm body (4); A self-priming pull rod body (8), the outer end of the self-priming pull rod rivet shaft (5) is fixedly mounted with the self-priming pull rod body (8), the self-priming pull rod body (8) is riveted to the self-priming rocker arm body (4) through the self-priming pull rod rivet shaft (5), a self-priming pull rod spring (6) is fixedly mounted on the self-priming pull rod rivet shaft (5), and the inner end of the self-priming rocker arm body (4) is provided with a ratchet body (16), the outer end of the self-priming rocker arm body (4) is riveted to the lock body (3) through the ratchet body (16), the inner end of the lock body (3) is provided with a pawl rivet shaft (18), the lock body (3) is fixed between the base plate (1) and the cover plate (2) through the pawl rivet shaft (18) and the ratchet rivet shaft, the upper end of the lock body (3) is rotatably mounted with a clutch arm body (9), and the outer end of the clutch arm body (9) is provided with a clutch arm spring (10); An electric unlocking transmission plate body (12), an electric unlocking transmission plate rivet shaft (19) is fixedly mounted on the upper end of the cover plate (2), the outer end of the electric unlocking transmission plate rivet shaft (19) is rotatably mounted on the electric unlocking transmission plate body (12), an unlocking linkage body (13) is provided on the outer end of the electric unlocking transmission plate body (12), and an emergency unlocking rocker arm (11) is provided on the outer end of the electric unlocking transmission plate body (12), a roller rivet shaft (21) is fixedly mounted on the outer end of the electric unlocking transmission plate body (12), and a roller body (20) is rotatably mounted on the outer end of the roller rivet shaft (21); The outer end of the ratchet body (16) is provided with a ratchet self-priming arc surface (16-1), the outer end of the ratchet body (16) is provided with a ratchet ice-breaking arc surface (16-2), the right end of the ratchet body (16) is provided with a ratchet full-locking meshing surface (16-3), and the upper end of the ratchet body (16) is provided with a ratchet half-locking meshing surface (16-4); A transmission gear (15) is installed between the base plate (1) and the cover plate (2), and the outer end of the transmission gear (15) is meshedly connected with a tooth plate body (14). The outer end of the tooth plate body (14) is provided with a tooth plate unlocking inclined surface (14-1). The tooth plate unlocking inclined surface (14-1) pushes the electric unlocking transmission plate body (12) to rotate clockwise, and the inner end of the tooth plate body (14) is provided with a tooth plate arc groove (14-2).

2. A side door lock transmission mechanism capable of realizing electric opening, self-priming and ice-breaking functions according to claim 1, characterized in that: The left end of the electric unlocking transmission plate body (12) is provided with an electric unlocking transmission plate unlocking bend (12-1), and the inner end of the unlocking linkage body (13) is provided with an unlocking linkage slot (13-1).

3. The side door lock transmission mechanism capable of realizing electric opening, self-priming and ice-breaking functions according to claim 1, characterized in that: The right end of the self-priming pull rod body (8) is provided with a self-priming pull rod self-priming arc surface (8-1), and the inner end of the self-priming pull rod body (8) is provided with a self-priming pull rod ice-breaking arc surface (8-2).

4. The side door lock transmission mechanism capable of realizing electric opening, self-priming and ice-breaking functions according to claim 1, characterized in that: The outer end of the pawl rivet shaft (18) is riveted with a pawl body (17), and the inner end of the pawl body (17) is provided with a pawl boss (17-1).

Citation Information

Patent Citations

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